Cleveland-Cliffs Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

ACQUISITIONS - Pro Forma (Details)

v3.20.4

ACQUISITIONS - Pro Forma (Details) - USD ($) $ in Millions	12 Months Ended
ACQUISITIONS - Pro Forma (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Revenue	$ 12,837	$ 17,163
Business Acquisition, Pro Forma Net Income (Loss)	(520)	(11)
Business Acquisition, Pro Forma Expenses	$ 32	76
Business Acquisition, Pro Forma Income Tax, Statutory Rate	24.30%
Business Acquisition, Pro Forma Income Tax Benefit (Expense)	$ 170	117
Intersegment Eliminations [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Revenue	844	1,499
Franchise
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Net Income (Loss)	140	129
Fair Value Adjustment to Inventory
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Net Income (Loss)	96	362
Acquisition-related Costs \| ArcelorMittal USA and AK Steel [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Net Income (Loss)	93	$ 93
Restructuring Costs \| ArcelorMittal USA [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Net Income (Loss)	$ 1,820

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